linux-kernel - Re: [PATCH Resend] pinctrl: exynos: Fix build breakage

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Date:	Mon, 17 Jun 2013 13:57:58 +0200
From:	Tomasz Figa <t.figa@...sung.com>
To:	Sachin Kamat <sachin.kamat@...aro.org>, linus.walleij@...aro.org
Cc:	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	patches@...aro.org, Doug Anderson <dianders@...omium.org>
Subject: Re: [PATCH Resend] pinctrl: exynos: Fix build breakage

Hi Sachin,

On Monday 17 of June 2013 15:08:12 Sachin Kamat wrote:
> 'exynos_wkup_irq_ack' should be defined ahead of its call.
> 
> Fixes the following error:
> drivers/pinctrl/pinctrl-exynos.c: In function ‘exynos_wkup_irq_mask’:
> drivers/pinctrl/pinctrl-exynos.c:299:3: error: implicit declaration of
> function ‘exynos_wkup_irq_ack’ [-Werror=implicit-function-declaration]
>    exynos_wkup_irq_ack(irqd);
> 
> Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
> Cc: Doug Anderson <dianders@...omium.org>
> ---
> Fixed the commit message.
> ---

This patch is incorrect.

Compilation error is caused by merge error of Doug's patch:

pinctrl: exynos: ack level-triggered interrupts before unmasking

hunk of which went to wrong function - mask instead of unmask.

Linus, could you fix it?

Best regards,
Tomasz

>  drivers/pinctrl/pinctrl-exynos.c |   18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinctrl-exynos.c
> b/drivers/pinctrl/pinctrl-exynos.c index 8cd5bf5..f9277bc 100644
> --- a/drivers/pinctrl/pinctrl-exynos.c
> +++ b/drivers/pinctrl/pinctrl-exynos.c
> @@ -279,6 +279,15 @@ err_domains:
>  	return ret;
>  }
> 
> +static void exynos_wkup_irq_ack(struct irq_data *irqd)
> +{
> +	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
> +	struct samsung_pinctrl_drv_data *d = b->drvdata;
> +	unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
> +
> +	writel(1 << irqd->hwirq, d->virt_base + pend);
> +}
> +
>  static void exynos_wkup_irq_mask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
> @@ -307,15 +316,6 @@ static void exynos_wkup_irq_mask(struct irq_data *irqd)
> spin_unlock_irqrestore(&b->slock, flags);
>  }
> 
> -static void exynos_wkup_irq_ack(struct irq_data *irqd)
> -{
> -	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
> -	struct samsung_pinctrl_drv_data *d = b->drvdata;
> -	unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
> -
> -	writel(1 << irqd->hwirq, d->virt_base + pend);
> -}
> -
>  static void exynos_wkup_irq_unmask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
--
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